10-nov-17 05:35:00 Measurements ended --- . Number of lamps (L) = 7 . Filter running time = 33.08 hours . Total airflow this filter = 4.03 cubic meters . Mean BC concentration of all lamps = 190 ng/vm3 . Report for lamp 1 (370 nm): . Ending voltages: sen(beam) = .839 sen(zero) = 0.021 . ref(beam) = 2.174 ref(zero) = 0.021 . Optical attenuation of filter deposit = 75 . Total aerosol black carbon on filter = 954 ng Mean aerosol black carbon concentration = 237 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 431 ppm. --- Report for lamp 2 (470 nm): . Ending voltages: sen(beam) = .847 sen(zero) = 0.021 . ref(beam) = 2.368 ref(zero) = 0.021 . Optical attenuation of filter deposit = 52 . Total aerosol black carbon on filter = 841 ng Mean aerosol black carbon concentration = 209 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 427 ppm. --- Report for lamp 3 (520 nm): . Ending voltages: sen(beam) = 1.151 sen(zero) = 0.021 . ref(beam) = 1.613 ref(zero) = 0.021 . Optical attenuation of filter deposit = 42 . Total aerosol black carbon on filter = 763 ng Mean aerosol black carbon concentration = 189 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 471 ppm. --- Report for lamp 4 (590 nm): . Ending voltages: sen(beam) = .806 sen(zero) = 0.021 . ref(beam) = 2.064 ref(zero) = 0.021 . Optical attenuation of filter deposit = 36 . Total aerosol black carbon on filter = 738 ng Mean aerosol black carbon concentration = 183 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 640 ppm. --- Report for lamp 5 (660 nm): . Ending voltages: sen(beam) = .335 sen(zero) = 0.021 . ref(beam) = .815 ref(zero) = 0.021 . Optical attenuation of filter deposit = 32 . Total aerosol black carbon on filter = 732 ng Mean aerosol black carbon concentration = 182 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 556 ppm. --- Report for lamp 6 (880 nm): . Ending voltages: sen(beam) = .609 sen(zero) = 0.021 . ref(beam) = 1.034 ref(zero) = 0.021 . Optical attenuation of filter deposit = 22 . Total aerosol black carbon on filter = 686 ng Mean aerosol black carbon concentration = 170 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 656 ppm. --- Report for lamp 7 (950 nm): . Ending voltages: sen(beam) = 1.032 sen(zero) = 0.021 . ref(beam) = 1.068 ref(zero) = 0.021 . Optical attenuation of filter deposit = 20 . Total aerosol black carbon on filter = 651 ng Mean aerosol black carbon concentration = 161 ng/vm3 --- The reference beam showed lamp intensity fluctuations of 712 ppm. --- Disk space = 2.536325E+08 bytes free: One entry at every 10 minutes. There is space for 107837 hours ( 4493 days) more data --- 10-nov-17 05:35:00 Tape feeder mechanism advancing for 2 spot(s). --- ============================================================= --- MAGEE SCIEN. AETHALOMETER --- Aethalometer No. 360 --- 10-nov-17 05:59:54 Measurements started Starting voltages: . sen(zero) = 0.021 ref(zero) = 0.021 . Lamp 1 (370 nm): sen(beam) = 1.793 ref(beam) = 2.123 . Lamp 2 (470 nm): sen(beam) = 1.446 ref(beam) = 2.351 . Lamp 3 (520 nm): sen(beam) = 1.793 ref(beam) = 1.612 . Lamp 4 (590 nm): sen(beam) = 1.130 ref(beam) = 1.997 . Lamp 5 (660 nm): sen(beam) = .463 ref(beam) = .808 . Lamp 6 (880 nm): sen(beam) = .764 ref(beam) = 1.025 . Lamp 7 (950 nm): sen(beam) = 1.264 ref(beam) = 1.052 ---